/* Well, the vector density is uniform on the circle, but not on the ellipse. But whatever... */
private void calculateBeziers()
{
if (DENSITY < 4)
{
Beziers = null;
}
List <Vector3> vectors = new List <Vector3>();
List <Vector3> tangents = new List <Vector3>();
List <Bezier2> beziers = new List <Bezier2>();
double angle = (2 * Math.PI) / DENSITY;
for (int i = 0; i < DENSITY; i++)
{
vectors.Add(VectorAtAngle(angle * i));
tangents.Add(TangentAtAngle(angle * i));
}
for (int i = 0; i < DENSITY; i++)
{
Bezier3 bezier = new Bezier3();
bezier.a = vectors[i];
bezier.d = vectors[(i + 1) % DENSITY]; // line below: false false or something else?
NetSegment.CalculateMiddlePoints(bezier.a, tangents[i], bezier.d, -1 * tangents[(i + 1) % DENSITY], false, false, out bezier.b, out bezier.c);
beziers.Add(Bezier2.XZ(bezier));
}
Beziers = beziers;
}
/* From Elektrix */
public static bool DoSegmentsIntersect(ushort segment1, ushort segment2, out float t1, out float t2)
{
// First segment data
NetSegment s1 = Segment(segment1);
Bezier3 bezier = default(Bezier3);
// Second segment data
NetSegment s2 = Segment(segment2);
Bezier3 secondBezier = default(Bezier3);
// Turn the segment data into a Bezier2 for easier calculations supported by the game
bezier.a = Node(s1.m_startNode).m_position;
bezier.d = Node(s1.m_endNode).m_position;
bool smoothStart = (Singleton <NetManager> .instance.m_nodes.m_buffer[s1.m_startNode].m_flags & NetNode.Flags.Middle) != NetNode.Flags.None;
bool smoothEnd = (Singleton <NetManager> .instance.m_nodes.m_buffer[s1.m_endNode].m_flags & NetNode.Flags.Middle) != NetNode.Flags.None;
NetSegment.CalculateMiddlePoints(bezier.a, s1.m_startDirection, bezier.d, s1.m_endDirection, smoothStart, smoothEnd, out bezier.b, out bezier.c);
Bezier2 xz = Bezier2.XZ(bezier);
// Second segment:
secondBezier.a = Node(s2.m_startNode).m_position;
secondBezier.d = Node(s2.m_endNode).m_position;
smoothStart = (Singleton <NetManager> .instance.m_nodes.m_buffer[s2.m_startNode].m_flags & NetNode.Flags.Middle) != NetNode.Flags.None;
smoothEnd = (Singleton <NetManager> .instance.m_nodes.m_buffer[s2.m_endNode].m_flags & NetNode.Flags.Middle) != NetNode.Flags.None;
NetSegment.CalculateMiddlePoints(secondBezier.a, s2.m_startDirection, secondBezier.d, s2.m_endDirection, smoothStart, smoothEnd, out secondBezier.b, out secondBezier.c);
Bezier2 xz2 = Bezier2.XZ(secondBezier);
return(xz.Intersect(xz2, out t1, out t2, 5));
}
/* Turns segments into beziers. */
private List <Bezier2> makeBeziers(List <ushort> netSegmentsIds)
{
List <Bezier2> beziers = new List <Bezier2>();
for (int i = 0; i < netSegmentsIds.Count; i++)
{
NetSegment netSegment = NetUtil.Segment(netSegmentsIds[i]);
bool smoothStart = (NetUtil.Node(netSegment.m_startNode).m_flags & NetNode.Flags.Middle) != NetNode.Flags.None;
bool smoothEnd = (NetUtil.Node(netSegment.m_endNode).m_flags & NetNode.Flags.Middle) != NetNode.Flags.None;
Bezier3 bezier = new Bezier3();
bezier.a = NetUtil.Node(netSegment.m_startNode).m_position;
bezier.d = NetUtil.Node(netSegment.m_endNode).m_position;
NetSegment.CalculateMiddlePoints(bezier.a, netSegment.m_startDirection, bezier.d, netSegment.m_endDirection, smoothStart, smoothEnd, out bezier.b, out bezier.c);
beziers.Add(Bezier2.XZ(bezier));
}
return(beziers);
}
public static void CalculateCorner(NetInfo info, Vector3 startPos, Vector3 endPos, Vector3 startDir, Vector3 endDir, NetInfo extraInfo1, Vector3 extraEndPos1, Vector3 extraStartDir1, Vector3 extraEndDir1, NetInfo extraInfo2, Vector3 extraEndPos2, Vector3 extraStartDir2, Vector3 extraEndDir2, ushort ignoreSegmentID, ushort startNodeID, bool heightOffset, bool leftSide, out Vector3 cornerPos, out Vector3 cornerDirection, out bool smooth)
{
//add null check
//begin mod
if (info == null)
{
cornerPos = new Vector3();
cornerDirection = new Vector3();
smooth = false;
return;
}
//end mod
NetManager instance = Singleton <NetManager> .instance;
Bezier3 bezier1 = new Bezier3();
Bezier3 bezier2 = new Bezier3();
NetNode.Flags flags = NetNode.Flags.End;
ushort num1 = 0;
if ((int)startNodeID != 0)
{
flags = instance.m_nodes.m_buffer[(int)startNodeID].m_flags;
num1 = instance.m_nodes.m_buffer[(int)startNodeID].m_building;
}
cornerDirection = startDir;
float num2 = !leftSide ? -info.m_halfWidth : info.m_halfWidth;
smooth = (flags & NetNode.Flags.Middle) != NetNode.Flags.None;
if (extraInfo1 != null)
{
flags = (flags & NetNode.Flags.End) == NetNode.Flags.None || !info.IsCombatible(extraInfo1) || extraInfo2 != null ? flags & ~(NetNode.Flags.Middle | NetNode.Flags.Bend) | NetNode.Flags.Junction : ((double)startDir.x * (double)extraStartDir1.x + (double)startDir.z * (double)extraStartDir1.z >= -0.999000012874603 ? flags & ~NetNode.Flags.End | NetNode.Flags.Bend : flags & ~NetNode.Flags.End | NetNode.Flags.Middle);
}
if ((flags & NetNode.Flags.Middle) != NetNode.Flags.None)
{
int num3 = extraInfo1 == null ? 0 : -1;
int num4 = (int)startNodeID == 0 ? 0 : 8;
for (int index = num3; index < num4; ++index)
{
Vector3 vector3;
if (index == -1)
{
vector3 = extraStartDir1;
}
else
{
ushort segment = instance.m_nodes.m_buffer[(int)startNodeID].GetSegment(index);
if ((int)segment != 0 && (int)segment != (int)ignoreSegmentID)
{
ushort num5 = instance.m_segments.m_buffer[(int)segment].m_startNode;
vector3 = (int)startNodeID == (int)num5 ? instance.m_segments.m_buffer[(int)segment].m_startDirection : instance.m_segments.m_buffer[(int)segment].m_endDirection;
}
else
{
continue;
}
}
cornerDirection = VectorUtils.NormalizeXZ(cornerDirection - vector3);
break;
}
}
Vector3 lhs = Vector3.Cross(cornerDirection, Vector3.up).normalized;
if (info.m_twistSegmentEnds && (int)num1 != 0)
{
float f = Singleton <BuildingManager> .instance.m_buildings.m_buffer[(int)num1].m_angle;
Vector3 rhs = new Vector3(Mathf.Cos(f), 0.0f, Mathf.Sin(f));
lhs = (double)Vector3.Dot(lhs, rhs) < 0.0 ? -rhs : rhs;
}
bezier1.a = startPos + lhs * num2;
bezier2.a = startPos - lhs * num2;
cornerPos = bezier1.a;
if ((flags & NetNode.Flags.Junction) != NetNode.Flags.None && info.m_clipSegmentEnds || (flags & (NetNode.Flags.Bend | NetNode.Flags.Outside)) != NetNode.Flags.None)
{
Vector3 vector3_1 = endDir;
Vector3 normalized1 = Vector3.Cross(vector3_1, Vector3.up).normalized;
bezier1.d = endPos - normalized1 * num2;
bezier2.d = endPos + normalized1 * num2;
NetSegment.CalculateMiddlePoints(bezier1.a, cornerDirection, bezier1.d, vector3_1, false, false, out bezier1.b, out bezier1.c);
NetSegment.CalculateMiddlePoints(bezier2.a, cornerDirection, bezier2.d, vector3_1, false, false, out bezier2.b, out bezier2.c);
Bezier2 bezier2_1 = Bezier2.XZ(bezier1);
Bezier2 bezier2_2 = Bezier2.XZ(bezier2);
float a1 = -1f;
float num3 = -1f;
bool flag = false;
int num4 = extraInfo1 == null ? 0 : (extraInfo2 == null ? -1 : -2);
int num5 = (int)startNodeID == 0 ? 0 : 8;
float a2 = info.m_halfWidth * 0.5f;
for (int index = num4; index < num5; ++index)
{
NetInfo netInfo;
if (index == -2)
{
netInfo = extraInfo2;
Vector3 vector3_2 = extraEndPos2;
Vector3 vector3_3 = extraEndDir2;
if (vector3_2 == endPos && vector3_3 == endDir)
{
continue;
}
}
else if (index == -1)
{
netInfo = extraInfo1;
Vector3 vector3_2 = extraEndPos1;
Vector3 vector3_3 = extraEndDir1;
if (vector3_2 == endPos && vector3_3 == endDir)
{
continue;
}
}
else
{
ushort segment = instance.m_nodes.m_buffer[(int)startNodeID].GetSegment(index);
if ((int)segment != 0 && (int)segment != (int)ignoreSegmentID)
{
netInfo = instance.m_segments.m_buffer[(int)segment].Info;
}
else
{
continue;
}
}
if (netInfo != null)
{
a2 = Mathf.Max(a2, netInfo.m_halfWidth * 0.5f);
}
}
for (int index = num4; index < num5; ++index)
{
NetInfo netInfo;
Vector3 vector3_2;
Vector3 vector3_3;
Vector3 vector3_4;
if (index == -2)
{
netInfo = extraInfo2;
vector3_2 = extraEndPos2;
vector3_3 = extraStartDir2;
vector3_4 = extraEndDir2;
if (vector3_2 == endPos && vector3_4 == endDir)
{
continue;
}
}
else if (index == -1)
{
netInfo = extraInfo1;
vector3_2 = extraEndPos1;
vector3_3 = extraStartDir1;
vector3_4 = extraEndDir1;
if (vector3_2 == endPos && vector3_4 == endDir)
{
continue;
}
}
else
{
ushort segment = instance.m_nodes.m_buffer[(int)startNodeID].GetSegment(index);
if ((int)segment != 0 && (int)segment != (int)ignoreSegmentID)
{
ushort num6 = instance.m_segments.m_buffer[(int)segment].m_startNode;
ushort num7 = instance.m_segments.m_buffer[(int)segment].m_endNode;
vector3_3 = instance.m_segments.m_buffer[(int)segment].m_startDirection;
vector3_4 = instance.m_segments.m_buffer[(int)segment].m_endDirection;
if ((int)startNodeID != (int)num6)
{
num7 = num6;
Vector3 vector3_5 = vector3_3;
vector3_3 = vector3_4;
vector3_4 = vector3_5;
}
netInfo = instance.m_segments.m_buffer[(int)segment].Info;
vector3_2 = instance.m_nodes.m_buffer[(int)num7].m_position;
}
else
{
continue;
}
}
if (netInfo != null)
{
if ((double)vector3_3.z * (double)cornerDirection.x - (double)vector3_3.x * (double)cornerDirection.z > 0.0 == leftSide)
{
Bezier3 bezier3 = new Bezier3();
float num6 = Mathf.Max(a2, netInfo.m_halfWidth);
if (!leftSide)
{
num6 = -num6;
}
Vector3 normalized2 = Vector3.Cross(vector3_3, Vector3.up).normalized;
bezier3.a = startPos - normalized2 * num6;
Vector3 normalized3 = Vector3.Cross(vector3_4, Vector3.up).normalized;
bezier3.d = vector3_2 + normalized3 * num6;
NetSegment.CalculateMiddlePoints(bezier3.a, vector3_3, bezier3.d, vector3_4, false, false, out bezier3.b, out bezier3.c);
Bezier2 b2 = Bezier2.XZ(bezier3);
float t1;
float t2;
if (bezier2_1.Intersect(b2, out t1, out t2, 6))
{
a1 = Mathf.Max(a1, t1);
}
else if (bezier2_1.Intersect(b2.a, b2.a - VectorUtils.XZ(vector3_3) * 16f, out t1, out t2, 6))
{
a1 = Mathf.Max(a1, t1);
}
else if (b2.Intersect(bezier2_1.d + (bezier2_1.d - bezier2_2.d) * 0.01f, bezier2_2.d, out t1, out t2, 6))
{
a1 = Mathf.Max(a1, 1f);
}
if ((double)cornerDirection.x * (double)vector3_3.x + (double)cornerDirection.z * (double)vector3_3.z >= -0.75)
{
flag = true;
}
}
else
{
Bezier3 bezier3 = new Bezier3();
float num6 = (float)((double)cornerDirection.x * (double)vector3_3.x + (double)cornerDirection.z * (double)vector3_3.z);
if ((double)num6 >= 0.0)
{
vector3_3.x -= (float)((double)cornerDirection.x * (double)num6 * 2.0);
vector3_3.z -= (float)((double)cornerDirection.z * (double)num6 * 2.0);
}
float num7 = Mathf.Max(a2, netInfo.m_halfWidth);
if (!leftSide)
{
num7 = -num7;
}
Vector3 normalized2 = Vector3.Cross(vector3_3, Vector3.up).normalized;
bezier3.a = startPos + normalized2 * num7;
Vector3 normalized3 = Vector3.Cross(vector3_4, Vector3.up).normalized;
bezier3.d = vector3_2 - normalized3 * num7;
NetSegment.CalculateMiddlePoints(bezier3.a, vector3_3, bezier3.d, vector3_4, false, false, out bezier3.b, out bezier3.c);
Bezier2 b2 = Bezier2.XZ(bezier3);
float t1;
float t2;
if (bezier2_2.Intersect(b2, out t1, out t2, 6))
{
num3 = Mathf.Max(num3, t1);
}
else if (bezier2_2.Intersect(b2.a, b2.a - VectorUtils.XZ(vector3_3) * 16f, out t1, out t2, 6))
{
num3 = Mathf.Max(num3, t1);
}
else if (b2.Intersect(bezier2_1.d, bezier2_2.d + (bezier2_2.d - bezier2_1.d) * 0.01f, out t1, out t2, 6))
{
num3 = Mathf.Max(num3, 1f);
}
}
}
}
if ((flags & NetNode.Flags.Junction) != NetNode.Flags.None)
{
if (!flag)
{
a1 = Mathf.Max(a1, num3);
}
}
else if ((flags & NetNode.Flags.Bend) != NetNode.Flags.None && !flag)
{
a1 = Mathf.Max(a1, num3);
}
float num8;
if ((flags & NetNode.Flags.Outside) != NetNode.Flags.None)
{
float num6 = 8640f;
Vector2 vector2_1 = new Vector2(-num6, -num6);
Vector2 vector2_2 = new Vector2(-num6, num6);
Vector2 vector2_3 = new Vector2(num6, num6);
Vector2 vector2_4 = new Vector2(num6, -num6);
float t1;
float t2;
if (bezier2_1.Intersect(vector2_1, vector2_2, out t1, out t2, 6))
{
a1 = Mathf.Max(a1, t1);
}
if (bezier2_1.Intersect(vector2_2, vector2_3, out t1, out t2, 6))
{
a1 = Mathf.Max(a1, t1);
}
if (bezier2_1.Intersect(vector2_3, vector2_4, out t1, out t2, 6))
{
a1 = Mathf.Max(a1, t1);
}
if (bezier2_1.Intersect(vector2_4, vector2_1, out t1, out t2, 6))
{
a1 = Mathf.Max(a1, t1);
}
num8 = Mathf.Clamp01(a1);
}
else
{
if ((double)a1 < 0.0)
{
a1 = (double)info.m_halfWidth >= 4.0 ? bezier2_1.Travel(0.0f, 8f) : 0.0f;
}
float num6 = Mathf.Clamp01(a1);
float num7 = VectorUtils.LengthXZ(bezier1.Position(num6) - bezier1.a);
num8 = bezier2_1.Travel(num6, Mathf.Max(info.m_minCornerOffset - num7, 2f));
if (info.m_straightSegmentEnds)
{
if ((double)num3 < 0.0)
{
num3 = (double)info.m_halfWidth >= 4.0 ? bezier2_2.Travel(0.0f, 8f) : 0.0f;
}
float num9 = Mathf.Clamp01(num3);
float num10 = VectorUtils.LengthXZ(bezier2.Position(num9) - bezier2.a);
float b = bezier2_2.Travel(num9, Mathf.Max(info.m_minCornerOffset - num10, 2f));
num8 = Mathf.Max(num8, b);
}
}
float num11 = cornerDirection.y;
cornerDirection = bezier1.Tangent(num8);
cornerDirection.y = 0.0f;
cornerDirection.Normalize();
if (!info.m_flatJunctions)
{
cornerDirection.y = num11;
}
cornerPos = bezier1.Position(num8);
cornerPos.y = startPos.y;
}
if (!heightOffset || (int)startNodeID == 0)
{
return;
}
cornerPos.y += (float)instance.m_nodes.m_buffer[(int)startNodeID].m_heightOffset * (1f / 64f);
}
public bool Intersection(ushort segment1, ushort segment2)
{
Bezier3 bezier = new Bezier3();
Bezier3 bezier2 = new Bezier3();
NetSegment s1 = GetSegment(segment1);
NetSegment s2 = GetSegment(segment2);
// Turn the segment data into a Bezier2 for easier calculations supported by the game
bezier.a = NetManager.instance.m_nodes.m_buffer[s1.m_startNode].m_position;
bezier.d = NetManager.instance.m_nodes.m_buffer[s1.m_endNode].m_position;
bool smoothStart = (Singleton <NetManager> .instance.m_nodes.m_buffer[s1.m_startNode].m_flags & NetNode.Flags.Middle) != NetNode.Flags.None;
bool smoothEnd = (Singleton <NetManager> .instance.m_nodes.m_buffer[s1.m_endNode].m_flags & NetNode.Flags.Middle) != NetNode.Flags.None;
NetSegment.CalculateMiddlePoints(bezier.a, s1.m_startDirection, bezier.d, s1.m_endDirection, smoothStart, smoothEnd, out Vector3 b, out Vector3 c);
bezier.b = b;
bezier.c = c;
Bezier2 xz = Bezier2.XZ(bezier);
// Second segment:
bezier2.a = NetManager.instance.m_nodes.m_buffer[s2.m_startNode].m_position;
bezier2.d = NetManager.instance.m_nodes.m_buffer[s2.m_endNode].m_position;
smoothStart = (Singleton <NetManager> .instance.m_nodes.m_buffer[s2.m_startNode].m_flags & NetNode.Flags.Middle) != NetNode.Flags.None;
smoothEnd = (Singleton <NetManager> .instance.m_nodes.m_buffer[s2.m_endNode].m_flags & NetNode.Flags.Middle) != NetNode.Flags.None;
NetSegment.CalculateMiddlePoints(bezier2.a, s2.m_startDirection, bezier2.d, s2.m_endDirection, smoothStart, smoothEnd, out Vector3 _b, out Vector3 _c);
bezier2.b = _b;
bezier2.c = _c;
Bezier2 xz2 = Bezier2.XZ(bezier2);
if (!xz.Intersect(xz2, out float t1, out float t2, 8))
{
return(ThrowError("Could not find an intersection between these two roads. Remember, T-junctions do not count as intersections. Try extending the segment, creating the intersection, and deleting the excess."));
}
Vector3 intersectionPoint = bezier.Position(t1);
ushort seg1ls = s1.m_startNode;
Vector3 seg1lsd = s1.m_startDirection;
Vector3 seg1led = -bezier.Tangent(t1).normalized;
ushort seg1rs = s1.m_endNode;
Vector3 seg1rsd = s1.m_endDirection;
Vector3 seg1red = bezier.Tangent(t1).normalized;
ushort seg2ls = s2.m_startNode;
Vector3 seg2lsd = s2.m_startDirection;
Vector3 seg2led = -bezier2.Tangent(t2).normalized;
ushort seg2rs = s2.m_endNode;
Vector3 seg2rsd = s2.m_endDirection;
Vector3 seg2red = bezier2.Tangent(t2).normalized;
// place segments and nodes
Manager.CreateNode(out ushort intersectionNode, ref SimulationManager.instance.m_randomizer, s1.Info, intersectionPoint, SimulationManager.instance.m_currentBuildIndex);
Manager.CreateSegment(out ushort seg1, ref SimulationManager.instance.m_randomizer, s1.Info, seg1ls, intersectionNode, seg1lsd, seg1led, SimulationManager.instance.m_currentBuildIndex, SimulationManager.instance.m_currentBuildIndex, false);
Manager.CreateSegment(out ushort seg2, ref SimulationManager.instance.m_randomizer, s1.Info, seg1rs, intersectionNode, seg1rsd, seg1red, SimulationManager.instance.m_currentBuildIndex, SimulationManager.instance.m_currentBuildIndex, false);
Manager.CreateSegment(out ushort seg3, ref SimulationManager.instance.m_randomizer, s2.Info, seg2ls, intersectionNode, seg2lsd, seg2led, SimulationManager.instance.m_currentBuildIndex, SimulationManager.instance.m_currentBuildIndex, false);
Manager.CreateSegment(out ushort seg4, ref SimulationManager.instance.m_randomizer, s2.Info, seg2rs, intersectionNode, seg2rsd, seg2red, SimulationManager.instance.m_currentBuildIndex, SimulationManager.instance.m_currentBuildIndex, false);
List <ushort> newSegments = new List <ushort>();
newSegments.Add(seg1);
newSegments.Add(seg2);
newSegments.Add(seg3);
newSegments.Add(seg4);
if (seg1 == 0 || seg2 == 0 || seg3 == 0 || seg4 == 0)
{
return(Revert(newSegments, intersectionNode));
}
Manager.ReleaseSegment(segment1, true);
Manager.ReleaseSegment(segment2, true);
FixTJunctions(newSegments);
return(true);
}
// simplified assuming its called by NetSegment.CalculateCornerOffset.
public static void CalculateCorner(
NetInfo info, Vector3 startPos, Vector3 endPos, Vector3 startDir, Vector3 endDir,
ushort ignoreSegmentID, ushort startNodeID, bool heightOffset, bool leftSide,
out Vector3 cornerPos, out Vector3 cornerDirection, out bool smooth)
{
NetManager instance = Singleton <NetManager> .instance;
Bezier3 bezier = default(Bezier3);
Bezier3 bezier2 = default(Bezier3);
NetNode.Flags flags = NetNode.Flags.End;
flags = instance.m_nodes.m_buffer[(int)startNodeID].m_flags;
ushort startNodeBuildingID = startNodeID.ToNode().m_building;
cornerDirection = startDir;
smooth = flags.IsFlagSet(NetNode.Flags.Middle);
float hw = info.m_halfWidth;
if (!leftSide)
{
hw = -hw;
}
if (flags.IsFlagSet(NetNode.Flags.Middle))
{
for (int i = 0; i < 8; ++i)
{
ushort segmentID = startNodeID.ToNode().GetSegment(i);
if (segmentID == 0 || segmentID == ignoreSegmentID)
{
continue;
}
Vector3 dir = segmentID.ToSegment().GetDirection(startNodeID);
cornerDirection = VectorUtils.NormalizeXZ(cornerDirection - dir);
break;
}
}
Vector3 dirAcross = Vector3.Cross(cornerDirection, Vector3.up).normalized;
Vector3 VV1 = dirAcross;
if (info.m_twistSegmentEnds)
{
if (startNodeBuildingID != 0)
{
float angle = Singleton <BuildingManager> .instance.m_buildings.m_buffer[(int)startNodeBuildingID].m_angle;
Vector3 v = new Vector3(Mathf.Cos(angle), 0f, Mathf.Sin(angle));
VV1 = (Vector3.Dot(VV1, v) < 0f) ? (-v) : v;
}
else if (flags.IsFlagSet(NetNode.Flags.Junction))
{
Vector3 v = default;
int untouchableCount = 0;
for (int i = 0; i < 8; i++)
{
ushort segmentID = startNodeID.ToNode().GetSegment(i);
if (segmentID == 0 || segmentID == ignoreSegmentID)
{
continue;
}
if (segmentID.ToSegment().m_flags.IsFlagSet(NetSegment.Flags.Untouchable))
{
Vector3 dir = segmentID.ToSegment().GetDirection(startNodeID);
v = new Vector3(dir.z, 0f, -dir.x); // rotate vector by 90 degree and remove vertical element.
untouchableCount++;
}
}
if (untouchableCount == 1)
{
VV1 = ((Vector3.Dot(VV1, v) < 0f) ? (-v) : v);
}
}
}
bezier.a = startPos + VV1 * hw;
bezier2.a = startPos - VV1 * hw;
cornerPos = bezier.a;
if (
(flags.IsFlagSet(NetNode.Flags.Junction) && info.m_clipSegmentEnds) ||
flags.IsFlagSet(NetNode.Flags.Bend | NetNode.Flags.End)
)
{
VV1 = Vector3.Cross(endDir, Vector3.up).normalized;
bezier.d = endPos - VV1 * hw;
bezier2.d = endPos + VV1 * hw;
NetSegment.CalculateMiddlePoints(bezier.a, cornerDirection, bezier.d, endDir, false, false, out bezier.b, out bezier.c);
NetSegment.CalculateMiddlePoints(bezier2.a, cornerDirection, bezier2.d, endDir, false, false, out bezier2.b, out bezier2.c);
Bezier2 bezier3 = Bezier2.XZ(bezier);
Bezier2 bezier4 = Bezier2.XZ(bezier2);
float num5 = -1f;
float num6 = -1f;
bool flag = false;
float a = info.m_halfWidth * 0.5f;
int segmentCount = 0;
for (int i = 0; i < 8; ++i)
{
ushort segmentID = startNodeID.ToNode().GetSegment(i);
if (segmentID == 0 || segmentID == ignoreSegmentID)
{
continue;
}
Vector3 vector4 = instance.m_segments.m_buffer[(int)segmentID].GetDirection(startNodeID);
NetInfo netInfo = instance.m_segments.m_buffer[(int)segmentID].Info;
if (netInfo == null)
{
continue;
}
if (info.m_clipSegmentEnds != netInfo.m_clipSegmentEnds)
{
continue;
}
if (netInfo.m_netAI.GetSnapElevation() > info.m_netAI.GetSnapElevation())
{
float num10 = 0.01f - Mathf.Min(info.m_maxTurnAngleCos, netInfo.m_maxTurnAngleCos);
float num11 = vector4.x * startDir.x + vector4.z * startDir.z;
if ((info.m_vehicleTypes & netInfo.m_vehicleTypes) == VehicleInfo.VehicleType.None || num11 >= num10)
{
continue;
}
}
a = Mathf.Max(a, netInfo.m_halfWidth * 0.5f);
segmentCount++;
}
if (segmentCount >= 1 || flags.IsFlagSet(NetNode.Flags.Outside))
{
for (int i = 0; i < 8; ++i)
{
ushort segmentID = startNodeID.ToNode().GetSegment(i);
if (segmentID == 0 || segmentID == ignoreSegmentID)
{
continue;
}
ushort startNode2 = instance.m_segments.m_buffer[(int)segmentID].m_startNode;
ushort num12 = instance.m_segments.m_buffer[(int)segmentID].m_endNode;
Vector3 vector6 = instance.m_segments.m_buffer[(int)segmentID].m_startDirection;
Vector3 vector7 = instance.m_segments.m_buffer[(int)segmentID].m_endDirection;
if (startNodeID != startNode2)
{
num12 = startNode2;
//swap
Vector3 temp = vector6;
vector6 = vector7;
vector7 = temp;
}
NetInfo netInfo = instance.m_segments.m_buffer[(int)segmentID].Info;
if (netInfo == null)
{
continue;
}
if (info.m_clipSegmentEnds != netInfo.m_clipSegmentEnds)
{
continue;
}
Vector3 vector5 = instance.m_nodes.m_buffer[(int)num12].m_position;
if (netInfo.m_netAI.GetSnapElevation() > info.m_netAI.GetSnapElevation())
{
float num14 = 0.01f - Mathf.Min(info.m_maxTurnAngleCos, netInfo.m_maxTurnAngleCos);
float num15 = vector6.x * startDir.x + vector6.z * startDir.z;
if ((info.m_vehicleTypes & netInfo.m_vehicleTypes) == VehicleInfo.VehicleType.None || num15 >= num14)
{
continue;
}
}
if (vector6.z * cornerDirection.x - vector6.x * cornerDirection.z > 0f == leftSide)
{
Bezier3 bezier5 = default(Bezier3);
float num16 = Mathf.Max(a, netInfo.m_halfWidth);
if (!leftSide)
{
num16 = -num16;
}
VV1 = Vector3.Cross(vector6, Vector3.up).normalized;
bezier5.a = startPos - VV1 * num16;
VV1 = Vector3.Cross(vector7, Vector3.up).normalized;
bezier5.d = vector5 + VV1 * num16;
NetSegment.CalculateMiddlePoints(bezier5.a, vector6, bezier5.d, vector7, false, false, out bezier5.b, out bezier5.c);
Bezier2 b2 = Bezier2.XZ(bezier5);
float b3;
float num17;
if (bezier3.Intersect(b2, out b3, out num17, 6))
{
num5 = Mathf.Max(num5, b3);
}
else if (bezier3.Intersect(b2.a, b2.a - VectorUtils.XZ(vector6) * 16f, out b3, out num17, 6))
{
num5 = Mathf.Max(num5, b3);
}
else if (b2.Intersect(bezier3.d + (bezier3.d - bezier4.d) * 0.01f, bezier4.d, out b3, out num17, 6))
{
num5 = Mathf.Max(num5, 1f);
}
float num18 = cornerDirection.x * vector6.x + cornerDirection.z * vector6.z;
if (num18 >= -0.75f)
{
flag = true;
}
}
Bezier3 bezier6 = default(Bezier3);
float num19 = cornerDirection.x * vector6.x + cornerDirection.z * vector6.z;
if (num19 >= 0f)
{
vector6.x -= cornerDirection.x * num19 * 2f;
vector6.z -= cornerDirection.z * num19 * 2f;
}
float num20 = Mathf.Max(a, netInfo.m_halfWidth);
if (!leftSide)
{
num20 = -num20;
}
VV1 = Vector3.Cross(vector6, Vector3.up).normalized;
bezier6.a = startPos + VV1 * num20;
VV1 = Vector3.Cross(vector7, Vector3.up).normalized;
bezier6.d = vector5 - VV1 * num20;
NetSegment.CalculateMiddlePoints(bezier6.a, vector6, bezier6.d, vector7, false, false, out bezier6.b, out bezier6.c);
Bezier2 b4 = Bezier2.XZ(bezier6);
float b5;
float num21;
if (bezier4.Intersect(b4, out b5, out num21, 6))
{
num6 = Mathf.Max(num6, b5);
continue;
}
if (bezier4.Intersect(b4.a, b4.a - VectorUtils.XZ(vector6) * 16f, out b5, out num21, 6))
{
num6 = Mathf.Max(num6, b5);
continue;
}
if (b4.Intersect(bezier3.d, bezier4.d + (bezier4.d - bezier3.d) * 0.01f, out b5, out num21, 6))
{
num6 = Mathf.Max(num6, 1f);
continue;
}
continue;
}
if ((flags & NetNode.Flags.Junction) != NetNode.Flags.None)
{
if (!flag)
{
num5 = Mathf.Max(num5, num6);
}
}
else if ((flags & NetNode.Flags.Bend) != NetNode.Flags.None && !flag)
{
num5 = Mathf.Max(num5, num6);
}
if ((flags & NetNode.Flags.Outside) != NetNode.Flags.None)
{
float num22 = 8640f;
Vector2 vector9 = new Vector2(-num22, -num22);
Vector2 vector10 = new Vector2(-num22, num22);
Vector2 vector11 = new Vector2(num22, num22);
Vector2 vector12 = new Vector2(num22, -num22);
float b6;
float num23;
if (bezier3.Intersect(vector9, vector10, out b6, out num23, 6))
{
num5 = Mathf.Max(num5, b6);
}
if (bezier3.Intersect(vector10, vector11, out b6, out num23, 6))
{
num5 = Mathf.Max(num5, b6);
}
if (bezier3.Intersect(vector11, vector12, out b6, out num23, 6))
{
num5 = Mathf.Max(num5, b6);
}
if (bezier3.Intersect(vector12, vector9, out b6, out num23, 6))
{
num5 = Mathf.Max(num5, b6);
}
num5 = Mathf.Clamp01(num5);
}
else
{
if (num5 < 0f)
{
if (info.m_halfWidth < 4f)
{
num5 = 0f;
}
else
{
num5 = bezier3.Travel(0f, 8f);
}
}
float num24 = info.m_minCornerOffset;
if ((flags & (NetNode.Flags.AsymForward | NetNode.Flags.AsymBackward)) != NetNode.Flags.None)
{
num24 = Mathf.Max(num24, 8f);
}
num5 = Mathf.Clamp01(num5);
float num25 = VectorUtils.LengthXZ(bezier.Position(num5) - bezier.a);
num5 = bezier3.Travel(num5, Mathf.Max(num24 - num25, 2f));
if (info.m_straightSegmentEnds)
{
if (num6 < 0f)
{
if (info.m_halfWidth < 4f)
{
num6 = 0f;
}
else
{
num6 = bezier4.Travel(0f, 8f);
}
}
num6 = Mathf.Clamp01(num6);
num25 = VectorUtils.LengthXZ(bezier2.Position(num6) - bezier2.a);
num6 = bezier4.Travel(num6, Mathf.Max(info.m_minCornerOffset - num25, 2f));
num5 = Mathf.Max(num5, num6);
}
}
float y = cornerDirection.y;
cornerDirection = bezier.Tangent(num5);
cornerDirection.y = 0f;
cornerDirection.Normalize();
if (!info.m_flatJunctions)
{
cornerDirection.y = y;
}
cornerPos = bezier.Position(num5);
cornerPos.y = startPos.y;
}
}
else if ((flags & NetNode.Flags.Junction) != NetNode.Flags.None && info.m_minCornerOffset >= 0.01f)
{
VV1 = Vector3.Cross(endDir, Vector3.up).normalized;
bezier.d = endPos - VV1 * hw;
bezier2.d = endPos + VV1 * hw;
NetSegment.CalculateMiddlePoints(bezier.a, cornerDirection, bezier.d, endDir, false, false, out bezier.b, out bezier.c);
NetSegment.CalculateMiddlePoints(bezier2.a, cornerDirection, bezier2.d, endDir, false, false, out bezier2.b, out bezier2.c);
Bezier2 bezier7 = Bezier2.XZ(bezier);
Bezier2 bezier8 = Bezier2.XZ(bezier2);
float num26;
if (info.m_halfWidth < 4f)
{
num26 = 0f;
}
else
{
num26 = bezier7.Travel(0f, 8f);
}
num26 = Mathf.Clamp01(num26);
float num27 = VectorUtils.LengthXZ(bezier.Position(num26) - bezier.a);
num26 = bezier7.Travel(num26, Mathf.Max(info.m_minCornerOffset - num27, 2f));
if (info.m_straightSegmentEnds)
{
float num28;
if (info.m_halfWidth < 4f)
{
num28 = 0f;
}
else
{
num28 = bezier8.Travel(0f, 8f);
}
num28 = Mathf.Clamp01(num28);
num27 = VectorUtils.LengthXZ(bezier2.Position(num28) - bezier2.a);
num28 = bezier8.Travel(num28, Mathf.Max(info.m_minCornerOffset - num27, 2f));
num26 = Mathf.Max(num26, num28);
}
float y2 = cornerDirection.y;
cornerDirection = bezier.Tangent(num26);
cornerDirection.y = 0f;
cornerDirection.Normalize();
if (!info.m_flatJunctions)
{
cornerDirection.y = y2;
}
cornerPos = bezier.Position(num26);
cornerPos.y = startPos.y;
}
if (heightOffset && startNodeID != 0)
{
cornerPos.y += (float)instance.m_nodes.m_buffer[(int)startNodeID].m_heightOffset * 0.015625f;
}
}
public static void CalculateCorner(NetInfo info, Vector3 startPos, Vector3 endPos, Vector3 startDir, Vector3 endDir, ushort ignoreSegmentID, ushort startNodeID, bool heightOffset, bool leftSide, out Vector3 cornerPos, out Vector3 cornerDirection, out bool smooth)
{
NetManager instance = Singleton <NetManager> .instance;
var flags = NetNode.Flags.End;
var building = 0;
if (startNodeID != 0)
{
flags = instance.m_nodes.m_buffer[startNodeID].m_flags;
building = instance.m_nodes.m_buffer[startNodeID].m_building;
}
cornerDirection = startDir;
var halfWidth = (!leftSide) ? (0f - info.m_halfWidth) : info.m_halfWidth;
smooth = (flags & NetNode.Flags.Middle) != 0;
if ((flags & NetNode.Flags.Middle) != 0 && startNodeID != 0)
{
var segment = ignoreSegmentID.GetSegment();
var isStart = segment.IsStartNode(startNodeID);
var deltaDir = isStart ? segment.m_startDirection : segment.m_endDirection;
cornerDirection = NormalizeXZ(cornerDirection - deltaDir);
}
var startCornerNormal = Vector3.Cross(cornerDirection, Vector3.up).normalized;
if (info.m_twistSegmentEnds)
{
if (building != 0)
{
var buildingAngle = Singleton <BuildingManager> .instance.m_buildings.m_buffer[building].m_angle;
var buildingNormal = new Vector3(Mathf.Cos(buildingAngle), 0f, Mathf.Sin(buildingAngle));
startCornerNormal = Vector3.Dot(startCornerNormal, buildingNormal) < 0f ? -buildingNormal : buildingNormal;
}
else if ((flags & NetNode.Flags.Junction) != 0 && startNodeID != 0)
{
var segmentNormal = Vector3.zero;
var segmentCount = 0;
for (int i = 0; i < 8; i++)
{
var segmentId = instance.m_nodes.m_buffer[startNodeID].GetSegment(i);
if (segmentId != 0 && segmentId != ignoreSegmentID && (instance.m_segments.m_buffer[segmentId].m_flags & NetSegment.Flags.Untouchable) != 0)
{
var segmentDir = instance.m_segments.m_buffer[segmentId].m_startNode == startNodeID ? instance.m_segments.m_buffer[segmentId].m_startDirection : instance.m_segments.m_buffer[segmentId].m_endDirection;
segmentNormal = new Vector3(segmentDir.z, 0f, 0f - segmentDir.x);
segmentCount += 1;
}
}
if (segmentCount == 1)
{
startCornerNormal = Vector3.Dot(startCornerNormal, segmentNormal) < 0f ? (-segmentNormal) : segmentNormal;
}
}
}
var thisBezier = new Bezier3()
{
a = startPos + startCornerNormal * halfWidth
};
var otherBezier = new Bezier3()
{
a = startPos - startCornerNormal * halfWidth
};
cornerPos = thisBezier.a;
if (((flags & NetNode.Flags.Junction) != 0 && info.m_clipSegmentEnds) || (flags & (NetNode.Flags.Bend | NetNode.Flags.Outside)) != 0)
{
var endCornerNormal = Vector3.Cross(endDir, Vector3.up).normalized;
thisBezier.d = endPos - endCornerNormal * halfWidth;
otherBezier.d = endPos + endCornerNormal * halfWidth;
NetSegment.CalculateMiddlePoints(thisBezier.a, cornerDirection, thisBezier.d, endDir, smoothStart: false, smoothEnd: false, out thisBezier.b, out thisBezier.c);
NetSegment.CalculateMiddlePoints(otherBezier.a, cornerDirection, otherBezier.d, endDir, smoothStart: false, smoothEnd: false, out otherBezier.b, out otherBezier.c);
var thisBezierXZ = Bezier2.XZ(thisBezier);
var otherBezierXZ = Bezier2.XZ(otherBezier);
float thisOffsetT = -1f;
float otherOffsetT = -1f;
bool flag = false;
var segmentCount = startNodeID != 0 ? 8 : 0;
var maxQuarterWidth = info.m_halfWidth * 0.5f;
var segmentIndex = 0;
for (var i = 0; i < segmentCount; i += 1)
{
var currentSegmentId = instance.m_nodes.m_buffer[startNodeID].GetSegment(i);
if (currentSegmentId == 0 || currentSegmentId == ignoreSegmentID)
{
continue;
}
var currentInfo = instance.m_segments.m_buffer[currentSegmentId].Info;
var segmentStartDir = instance.m_segments.m_buffer[currentSegmentId].GetDirection(startNodeID);
if (currentInfo == null || info.m_clipSegmentEnds != currentInfo.m_clipSegmentEnds)
{
continue;
}
if (currentInfo.m_netAI.GetSnapElevation() > info.m_netAI.GetSnapElevation())
{
var turnAngle = 0.01f - Mathf.Min(info.m_maxTurnAngleCos, currentInfo.m_maxTurnAngleCos);
var angleBetween = segmentStartDir.x * startDir.x + segmentStartDir.z * startDir.z;
if ((info.m_vehicleTypes & currentInfo.m_vehicleTypes) == 0 || angleBetween >= turnAngle)
{
continue;
}
}
maxQuarterWidth = Mathf.Max(maxQuarterWidth, currentInfo.m_halfWidth * 0.5f);
segmentIndex++;
}
if (segmentIndex >= 1 || (flags & NetNode.Flags.Outside) != 0)
{
for (var i = 0; i < segmentCount; i += 1)
{
var currentSegmentId = instance.m_nodes.m_buffer[startNodeID].GetSegment(i);
if (currentSegmentId == 0 || currentSegmentId == ignoreSegmentID)
{
continue;
}
ushort currentStartNodeId = instance.m_segments.m_buffer[currentSegmentId].m_startNode;
ushort currentEndNodeId = instance.m_segments.m_buffer[currentSegmentId].m_endNode;
var currentStartDir = instance.m_segments.m_buffer[currentSegmentId].m_startDirection;
var currentEndDir = instance.m_segments.m_buffer[currentSegmentId].m_endDirection;
if (startNodeID != currentStartNodeId)
{
var tempNodeId = currentStartNodeId;
currentStartNodeId = currentEndNodeId;
currentEndNodeId = tempNodeId;
var tempVector = currentStartDir;
currentStartDir = currentEndDir;
currentEndDir = tempVector;
}
var currentInfo = instance.m_segments.m_buffer[currentSegmentId].Info;
var currentEndPos = instance.m_nodes.m_buffer[currentEndNodeId].m_position;
if (currentInfo == null || info.m_clipSegmentEnds != currentInfo.m_clipSegmentEnds)
{
continue;
}
if (currentInfo.m_netAI.GetSnapElevation() > info.m_netAI.GetSnapElevation())
{
float turnAngle = 0.01f - Mathf.Min(info.m_maxTurnAngleCos, currentInfo.m_maxTurnAngleCos);
float angleBetween = currentStartDir.x * startDir.x + currentStartDir.z * startDir.z;
if ((info.m_vehicleTypes & currentInfo.m_vehicleTypes) == 0 || angleBetween >= turnAngle)
{
continue;
}
}
if (currentStartDir.z * cornerDirection.x - currentStartDir.x * cornerDirection.z > 0f == leftSide)
{
float currentHalfWidth = (leftSide ? 1 : -1) * Mathf.Max(maxQuarterWidth, currentInfo.m_halfWidth);
var currentStartDirN = Vector3.Cross(currentStartDir, Vector3.up).normalized;
var currentEndDirN = Vector3.Cross(currentEndDir, Vector3.up).normalized;
var currentBezier = new Bezier3()
{
a = startPos - currentStartDirN * currentHalfWidth,
d = currentEndPos + currentEndDirN * currentHalfWidth,
};
NetSegment.CalculateMiddlePoints(currentBezier.a, currentStartDir, currentBezier.d, currentEndDir, smoothStart: false, smoothEnd: false, out currentBezier.b, out currentBezier.c);
var currentBezierXZ = Bezier2.XZ(currentBezier);
if (thisBezierXZ.Intersect(currentBezierXZ, out var t, out _, 6))
{
thisOffsetT = Mathf.Max(thisOffsetT, t);
}
else if (thisBezierXZ.Intersect(currentBezierXZ.a, currentBezierXZ.a - XZ(currentStartDir) * 16f, out t, out _, 6))
{
thisOffsetT = Mathf.Max(thisOffsetT, t);
}
else if (currentBezierXZ.Intersect(thisBezierXZ.d + (thisBezierXZ.d - otherBezierXZ.d) * 0.01f, otherBezierXZ.d, out _, out _, 6))
{
thisOffsetT = Mathf.Max(thisOffsetT, 1f);
}
if (cornerDirection.x * currentStartDir.x + cornerDirection.z * currentStartDir.z >= -0.75f)
{
flag = true;
}
}
else
{
float num19 = cornerDirection.x * currentStartDir.x + cornerDirection.z * currentStartDir.z;
if (num19 >= 0f)
{
currentStartDir.x -= cornerDirection.x * num19 * 2f;
currentStartDir.z -= cornerDirection.z * num19 * 2f;
}
float currentHalfWidth = (leftSide ? 1 : -1) * Mathf.Max(maxQuarterWidth, currentInfo.m_halfWidth);
var currentStartDirN = Vector3.Cross(currentStartDir, Vector3.up).normalized;
var currentEndDirN = Vector3.Cross(currentEndDir, Vector3.up).normalized;
var currentBezier = new Bezier3()
{
a = startPos + currentStartDirN * currentHalfWidth,
d = currentEndPos - currentEndDirN * currentHalfWidth,
};
NetSegment.CalculateMiddlePoints(currentBezier.a, currentStartDir, currentBezier.d, currentEndDir, smoothStart: false, smoothEnd: false, out currentBezier.b, out currentBezier.c);
var currentBezierXZ = Bezier2.XZ(currentBezier);
if (otherBezierXZ.Intersect(currentBezierXZ, out var t3, out _, 6))
{
otherOffsetT = Mathf.Max(otherOffsetT, t3);
}
else if (otherBezierXZ.Intersect(currentBezierXZ.a, currentBezierXZ.a - XZ(currentStartDir) * 16f, out t3, out _, 6))
{
otherOffsetT = Mathf.Max(otherOffsetT, t3);
}
else if (currentBezierXZ.Intersect(thisBezierXZ.d, otherBezierXZ.d + (otherBezierXZ.d - thisBezierXZ.d) * 0.01f, out _, out _, 6))
{
otherOffsetT = Mathf.Max(otherOffsetT, 1f);
}
}